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1.1 ! root 1: .TH VI 1 "2 December 1979" ! 2: .UC ! 3: .SH NAME ! 4: vi \- screen oriented (visual) display editor based on ex ! 5: .SH SYNOPSIS ! 6: .B vi ! 7: [ ! 8: .B \-t ! 9: tag ! 10: ] [ ! 11: .B \-r ! 12: ] [ ! 13: \fB+\fR\fIcommand\fR ! 14: ] [ ! 15: .B \-l ! 16: ] [ ! 17: \fB\-w\fIn\fR ! 18: ] ! 19: name ... ! 20: .SH DESCRIPTION ! 21: .I Vi ! 22: (visual) is a display oriented text editor based on ! 23: .IR ex (1). ! 24: .I Ex ! 25: and ! 26: .I vi ! 27: run the same code; it is possible to get to ! 28: the command mode of ! 29: .I ex ! 30: from within ! 31: .I vi ! 32: and vice-versa. ! 33: .PP ! 34: The ! 35: .I "Vi Quick Reference" ! 36: card and the ! 37: .I "Introduction to Display Editing with Vi" ! 38: provide full details on using ! 39: .I vi. ! 40: .SH FILES ! 41: See ! 42: .IR ex (1). ! 43: .SH SEE ALSO ! 44: ex (1), edit (1), ``Vi Quick Reference'' card, ! 45: ``An Introduction to Display Editing with Vi''. ! 46: .SH AUTHOR ! 47: William Joy ! 48: .br ! 49: Mark Horton added macros to \fIvisual\fR mode and is maintaining version 3 ! 50: .SH BUGS ! 51: Software tabs using \fB^T\fR work only immediately after the ! 52: .I autoindent. ! 53: .PP ! 54: Left and right shifts on intelligent terminals don't make use of ! 55: insert and delete character operations in the terminal. ! 56: .PP ! 57: The ! 58: .I wrapmargin ! 59: option can be fooled since it looks at output columns when blanks are typed. ! 60: If a long word passes through the margin and onto the next line without a ! 61: break, then the line won't be broken. ! 62: .PP ! 63: Insert/delete within a line can be slow if tabs are present on intelligent ! 64: terminals, since the terminals need help in doing this correctly. ! 65: .PP ! 66: Saving text on deletes in the named buffers is somewhat inefficient. ! 67: .PP ! 68: The ! 69: .I source ! 70: command does not work when executed as \fB:source\fR; ! 71: there is no way to use the \fB:append\fR, \fB:change\fR, ! 72: and \fB:insert\fR commands, since it is not possible to give ! 73: more than one line of input to a \fB:\fR escape. To use these ! 74: on a \fB:global\fR you must \fBQ\fR to \fIex\fR command mode, ! 75: execute them, and then reenter the screen editor with ! 76: .I vi ! 77: or ! 78: .I open.
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